CHILLING details have emerged following a haunting shoot-and-run where a yoga teacher allegedly shot dead a cycling star in a jealous rage.
Kaitlin Armstrong, 34, was arrested after weeks on the run in Costa Rica following the murder of her alleged love rival, pro athlete Moriah Wilson, 25, in Austin, Texas.
LOVE TRIANGLE
Armstrong reportedly knew of Wilson as they both dated cyclist Colin Strickland, 35, at different times.
Wilson, the deceased cycling star, had a brief fling with Strickland when he and Armstrong were on a break, according to police.
She and Strickland remained friends and allegedly continued to spend time together after he got back together with his previous girlfriend.
Police say Armstrong was unaware of their fling that occurred in October, however, and was reportedly "shaking in anger" when she found out months later in January.
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Officials believe she snapped after discovering her boyfriend later had a secret tryst with his former flame on May 11.
DATES & LIES
Moriah Wilson allegedly told a pal that she was intending to go swimming with her friend and flame Strickland.
The gravel racing star was staying at an apartment in Austin ahead of competing in a race in the area.
Strickland told his current girlfriend several lies before seeing Wilson, according to police.
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Cops said Strickland told Armstrong he was going out to deliver flowers but his phone battery had died, so he would be unable to contact her.
But police say he was actually taking a dip with Moriah at the Deep Eddy pool - which police believe motivated Armstrong to pursue deadly revenge.
TRACKING WILSON
Armstrong apparently caught on to Strickland's misleading information as officials believe she tracked the female biker's location through her public account on the Strava fitness app.
The app is used by cyclists and runners to track their progress and share it with other users.
Strickland had walked his former lover back to the house at around 8.30pm the night of their rendezvous.
Not long after this, Armstrong's black 2012 Jeep Grand Cherokee was seen stalking the street, per police.
Moments after the SUV was picked up on a Ring camera, Moriah's friend returned home to find her shot dead in a pool of blood.
GUN & RUN
Leading gravel cyclist in the US Moriah, dubbed the "winningest woman in America", sustained multiple gunshot wounds.
Officers caught up with Armstrong immediately after the crime, but they only confronted her with video evidence that a car like hers was near the premises, the reported.
They did not arrest Armstrong at that time, however.
Investigators concluded Moriah had been struck several times with a 9mm round - the same caliber of gun which Strickland had reportedly purchased for himself and Armstrong.
Ballistic evidence also supported this theory, seeing an arrest warrant issued to bring Armstrong in.
The 34-year-old deleted all of her social media accounts and went on the run.
Strickland issued a statement, insisting his relationship with Moirah was merely "platonic and professional".
Armstrong and Strickland had been in a relationship for about three years, but were on a break when his relationship with Moriah occurred.
He wrote: "There is no way to adequately express the regret and torture I feel about my proximity to this horrible crime.
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"I admired her greatly, and considered her a close friend. I am deeply grieving her loss."
Moriah was viewed by many as a rising star in cycling and had just become fully professional.